See also:

Tire identification marks
Tire size 255/50 R 19 103 Y 255: nominal width in mm 50: aspect ratio in % R: radial tire code 19: rim diameter in inches 103: load rating, not for ZR tires Y: speed rating, before the R on ZR ...

Front ventilation
Thumbwheels for adjusting the temperature, arrows 1. Toward blue: colder. Toward red: warmer. Lever for changing the air flow direction, arrow 2. Thumbwheels for opening and closing ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...